Finding the Fourth Proportional to 775,958.20, 1,163,986.49 and 243,500.24
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Solution
The fourth proportional to 775,958.20, 1,163,986.49 and 243,500.24 is: 365,265.80
Step by Step Solution
- Step 1: Write the proportion equation
775,958.20 : 1,163,986.49 = 243,500.24 : x - Step 2: Convert to fraction form
775,958.20/1,163,986.49 = 243,500.24/x - Step 3: Cross multiply
775,958.20x = 1,163,986.49 × 243,500.24 - Step 4: Simplify right side
775,958.20x = 283,430,989,671.76 - Step 5: Solve for x
x = 283,430,989,671.76/775,958.20 - Step 6: Final answer
x = 365,265.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.